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ACCRUED EXPENSES
6 Months Ended
Jun. 30, 2023
Payables and Accruals [Abstract]  
Schedule Of Accrued expenses ACCRUED EXPENSES:

Accrued expenses consist of the following (in thousands):

 

 

 

June 30, 2023

 

 

December 31, 2022

 

Compensation

 

$

18,958

 

 

$

31,751

 

PPG Industries, Inc. agreement

 

 

8,142

 

 

 

9,864

 

Consulting

 

 

845

 

 

 

910

 

Professional fees

 

 

833

 

 

 

906

 

Research and development agreements

 

 

419

 

 

 

662

 

Royalties

 

 

333

 

 

 

877

 

Other

 

 

5,542

 

 

 

6,032

 

Accrued expenses

 

$

35,072

 

 

$

51,002